My point was I do not believe that there has ever been "Constitutional Crisis" in the U.S., if you want to define the term as a situation where the U.S. Constitution "doesn't work".
I suppose you COULD call it a "constitutional Crisis" when it was decided to do away with the United States' FIRST constitution, which was (were ???) "The Article Of Confederation", as they obviously did not work as intended, were done away with, and replaced by The U.S. Constitution, which apparently works well, with nary a "Constitutional Crisis" in sight, as it is the OLDEST written constitution still in effect.
Ya know, I should have read that wiki article. It's the first one that I've encountered where I've had major problems with an entry.
The first "Constitutional Crisis" was during the Jefferson Administration in the Aaron Burr trial for treason. Justice Marshall ordered the Office of the President to produce evidence in the form of letters supporting the Government's allegations of treason. Jefferson refused.
Enforcement of the Laws and Court Orders of the Nation is the responsibility of the Executive. Neither the Congress nor the Judiciary have any means for such enforcement.
THAT was the first "Constitutional Crisis"; never resolved, by the way.
The second was the attempted secession by the Southern States, resolved by armed conflict. "Civil War" is actually a misnomer. It was the Nation's first "police action", putting down a treasonous rebellion by criminals under the Law. It has been argued that their actions were not "treasonous" but "separatist", because they never tried to overthrow the Government of the U.S. directly, but rather to withdraw from it. Still, from the moment agents of the Southern States fired upon a U.S. Government Military installation those persons involved, either directly or by conspiracy, fell under the Constitutional definition or "treason".
Nixon, in replication of Jefferson's obstinacy, refuse an order by the SCotUS to provide evidence in the form of tape recordings. This was resolved by the voluntary resignation of Nixon. Until that voluntary resignation, a Constitutional Crisis existed, because the SCotUS had no means of enforcement of it's Order, and any U.S. person or personnel attempting to enforce such an order without Executive authority, would be in violation of a great many conflicting laws, and be liable to charges of Attempted Coup d Etat ... in effect, Treason.